//type为module的时候, import 'xxx' 的xxx文件的导出也必须是es6module规范的
//否则报错: SyntaxError: The requested module './module.js' does not provide an export named 'boo'
// module.exports.foo = "this is foo"
// module.exports.boo = "this is boo"

export const foo = "this is foo"
export const boo = "this is boo"
